[vr] Only add samples in the range of interest in WebVR metric
[vr] Only add samples in the range of interest in WebVR metric

If the range of interest is enabled, only add samples that are both in
the range of interest and the VR user expectations.

Change-Id: Ic8ff7b5a2613fc51ccc59ad75825268d68938033
Reviewed-on: https://chromium-review.googlesource.com/728958
Reviewed-by: Ben Hayden <d3ffe0e065c2328e497bb32a07f4dcb29138ef5b@chromium.org>
Commit-Queue: Tibor Goldschwendt <bcec7f2b10e4b8eb36e0698acc89e4fc8bf58b37@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult